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Wiring and DIP switch/jumper configurations – AC systems
w/wo Humidifier for humidification, with Reheat for dehumidification
Config. 10:
HC22
1 Speed fan,
Humidifier,
Reheat for
Outputs
Dehumidification
Heat element 2
11
(2
stage heat)
nd
Heat element 1
12
(1
stage heat)
st
13
Fan (1 speed)
14
Compressor 2
15
Compressor 1
16
Humidifier
SW3
1
2
3
4
5
6
7
SW1
1
2
3
4
5
6
Jumpers
JP2, JP3
for analog
outputs
SW3.1, SW3.2 – Fan speeds:
(1)
SW3.4 – HP (Heat pump):
(2)
HC (not heat pump):
SW3.5 – Compressor delay:
(3)
SW1.6 – Terminal 12 operation:
(5)
See drawing on page 21 for DIP switch and jumper locations.
Humidifier: 0-10 Vdc, 0.5 mA Not isolated
Control – Fan on/off, Heat elements, Heat pump, Compressors, Economizer: 24 Vac, 0.5A max
Config. 11:
HP31
1 Speed fan,
Humidifier,
Reheat for
Dehumidification
Heat element 2
(3
stage heat)
rd
(2)
(2)
Heat element 1
(2
stage heat)
nd
Fan (1 speed)
(2)
Heat pump
(3)
(3)
Compressor
Humidifier
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
2 speeds (Low and High):
3 speeds (Low, Med., and High):
ON = Heat pump active in cool, OFF = Heat pump active in heat
ON = Electrical heater, OFF = Oil/Gas heater (no fan)
ON = Disable, OFF = Enable
ON = Economizer
OFF = Fan Medium (3 speeds) / Terminal not in use (2 speeds)
Important: Economizer will not work in 3 fan speeds configuration.
Config. 12:
Config. 13:
HC11
2/3 Speeds fan,
2/3 Speeds fan,
Humidifier,
Reheat for
Reheat for
Dehumidification
Dehumidification
Fan high
Fan high
Fan medium
Fan medium
(5)
(or Economizer )
(or Economizer )
Fan low
Fan low
Heat element
(2)
Heat element
(2
nd
(3)
Compressor
Compressor
Humidifier
Heat pump
1
2
3
4
5
6
7
8
1
1
2
2
3
3
1
2
3
4
5
6
1
1
2
2
3
3
SW3.1 = OFF, SW3.2 = ON
SW3.1 = OFF, SW3.2 = OFF
- 28 -
HP21
(5)
(2)
stage heat)
(3)
(2)
4
4
5
5
6
6
7
7
8
8
4
4
5
5
6
6
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